Cortina, J., Elder, J., & Gonnet, K. (1996). Comprehending college textbooks: Steps to understanding and remembering what you read (3rd ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Cortina, Joe, Janet Elder, agus Katherine Gonnet. Comprehending College Textbooks: Steps to Understanding and Remembering What You Read. 3rd ed. New York: McGraw-Hill, 1996.
Lua MLA (9ú heag.)Cortina, Joe, et al. Comprehending College Textbooks: Steps to Understanding and Remembering What You Read. 3rd ed. McGraw-Hill, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.